Roy, UT Tornado History — 21 Tornadoes Since 1950
How many tornadoes has Roy, UT had?
Roy has had 21 tornadoes on record within 25 miles since 1950.
When was the most recent tornado near Roy?
The most recent tornado within 25 miles of Roy was an EF1 on September 2, 2021.
When is tornado season in Roy?
May is historically the peak month for tornadoes near Roy, with 6 on record. Spring through early summer (April–June) generally sees the highest activity across most of the central and southern United States.
At a Glance
Recent Tornado Activity Near Roy
The last 20 years of confirmed tornadoes within 25 miles — 4 total, averaging 0.2 per year over this window.
Tornadoes by Decade
Tornadoes by Enhanced Fujita Rating
F0–F5 ratings (pre-2007) are grouped with their EF equivalents. The Enhanced Fujita scale replaced the original Fujita scale in February 2007.
Tornadoes by Month
Have any tornadoes near Roy been fatal?
No fatalities are on record within 25 miles of Roy from any of the 21 tornadoes since 1950, though 10 injuries have been reported. NOAA Storm Prediction Center records.
Notable Tornadoes Near Roy
About Tornadoes in Roy
This overview was written April 23, 2026. The tornado counts and notable-event figures elsewhere on this page reflect the latest data and may differ from this summary.
Roy, Utah, and its surrounding 25-mile radius have experienced 21 documented tornadoes since 1950, according to the NOAA Storm Prediction Center. While tornadoes can occur anywhere given the right atmospheric conditions, this relatively modest total reflects the region's position in the Intermountain West, where tornado activity is generally less frequent than in the central and southern United States. Notably, none of these events have resulted in recorded fatalities, though property damage has occurred in several instances.
The temporal distribution of these tornadoes shows considerable variation by decade. The 1990s stand out with 11 recorded events, representing more than half of the area's total tornado count. Other decades have seen far fewer occurrences, with single tornadoes recorded in the 1950s, 1970s, and 1980s, two in both the 1960s and 2000s, and one in the 2010s. The 2020s have recorded two tornadoes thus far. May emerges as the peak month for tornado activity with six events, consistent with the springtime pattern of severe weather when warm, moist air masses can interact with atmospheric disturbances.
In terms of intensity, the tornadoes near Roy have been predominantly weak on the Enhanced Fujita scale, which rates tornado damage from EF0 to EF5. Of the 21 tornadoes, 13 were rated EF0, five were rated EF1, and only two reached EF2 intensity. One tornado remains unrated in the historical records. The costliest tornado on record was an EF1 that struck on September 22, 2016, causing $2 million in property damage along a 2.9-mile path with a maximum width of 50 yards. The longest-tracked tornado was an F0 event on June 5, 1953, which traveled 8.0 miles with a width of 147 yards.
The most recent tornado occurred on September 3, 2021, an EF1-rated event that carved a 2.0-mile path and reached a maximum width of 350 yards, making it also the widest tornado on record for the area. This event caused no reported property damage and no injuries. The historical record demonstrates that while tornadoes do occur in the Roy area, they have remained relatively infrequent and, fortunately, have not resulted in loss of life.